A Giant African land snail is seen in this handout picture from the Florida Department of Agriculture Division of Plant Industry taken September 9, 2011. South Florida is fighting a growing infestation of one of the world's most destructive invasive species: the giant African land snail, which can g

A Giant African land snail is seen in this handout picture from the Florida Department of Agriculture Division of Plant Industry taken September 19, 2011. South Florida is fighting a growing infestation of one of the world's most destructive invasive species: the giant African land snail, which can